Finding the Fourth Proportional to 1,101.33, 1,519.20 and 659.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.33 : 1,519.20 = 659.34 : x
2. Step 2: Convert to fraction form
   1,101.33/1,519.20 = 659.34/x
3. Step 3: Cross multiply
   1,101.33x = 1,519.20 × 659.34
4. Step 4: Simplify right side
   1,101.33x = 1,001,669.33
5. Step 5: Solve for x
   x = 1,001,669.33/1,101.33
6. Step 6: Final answer
   x = 909.51